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Asymmetric ethernet network data transfer system and method

a technology of ethernet network and data transfer system, applied in the field of network data transfer system, can solve the problems of data transfer congestion, unused bandwidth, and unused bandwidth, and achieve the effect of avoiding bandwidth unused, reducing bandwidth unused, and reducing bandwidth unused

Active Publication Date: 2008-07-22
VIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides an asymmetric network data transfer system that solves the problem of improper bandwidth allocation in Ethernet without changing the current network data transfer mechanism. It utilizes a network interface card that can switch between symmetric and asymmetric data transfer modes based on the network conditions and the capabilities of the network apparatus. This allows for real-time adjustments and improves data transfer efficiency of Ethernet. The network interface card provides a one-way / two-way network cable transfer mode switch that can negotiate with the target network apparatus for the network cable transfer mode and perform real-time switches between symmetric and asymmetric data transfer mechanisms. This asymmetric network data transfer system can be easily integrated into current network data transfer frameworks and increase network data transfer efficiency with low extra construction cost.

Problems solved by technology

Thus, the symmetry feature often causes congestion problems to data transfer in the transfer direction with insufficient bandwidth and leaves bandwidth unused in the transfer direction with transfer bandwidth more than needed.
Thus, while transferring data, the symmetry feature of the Ethernet often causes congestion problems to the data transfer in the transfer direction with insufficient bandwidth and leaves bandwidth unused in the transfer direction with transfer bandwidth more than needed.

Method used

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  • Asymmetric ethernet network data transfer system and method
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  • Asymmetric ethernet network data transfer system and method

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first embodiment

[0019]Reference is now made to FIG. 2A, in the present invention, a network interface card 200 being capable of the one-way / two-way network cable transfer mode switch is provided. The network interface card 200 comprises: a negotiating module 210 to negotiate with the target network apparatus for the packet format for data transfer; a transforming module 220 to perform the transformation between the digital data (usually used in the computer) and the packets (usually used in the network) according to the packet format agreed on; a detecting module 240 to detect the network condition (ex: the loading, speed and whether the network interface card of the target network apparatus being capable of the one-way / two-way network cable transfer mode switch); a deciding / switching module 250 to decide whether to perform the one-way / two-way network cable transfer mode switch according to the detecting result from the detecting module 240; and a transmitting / receiving module 230 wherein the trans...

second embodiment

[0025]Reference is now made to FIG. 3A, which is a block diagram illustrating a network data transfer system 300 in accordance with a The network data transfer system 300 comprises numerous network apparatuses 310 / 320, wherein each of the network apparatuses 310 / 320 can be a personal computer, a server, a switch or a hub. Detailed descriptions of the network apparatuses 310 / 320 will not be given herein since they are well-known elements. The network apparatus 310 comprise a network interface card 311 (which is new and not a well-known element) being capable of the one-way / two-way network cable transfer mode switch; the network interface card 311 further comprises a transmitting agent 311A and a receiving agent 311B. The network apparatus 320 comprise a network interface card 321 being capable of the one-way / two-way network cable transfer mode switch; the network interface card 321 further comprises a transmitting agent 321A and a receiving agent 321B. The transmitting agent 311A is...

third embodiment

[0028]Reference is now made to FIG. 3B, which is a block diagram illustrating a network data transfer system 350 in accordance with the present invention. The network data transfer system 350 comprises numerous network apparatuses 360 / 370, wherein each of the network apparatuses 360 / 370 can be a personal computer, a server, a switch or a hub. Detailed descriptions of the network apparatuses 360 / 370 will not be given herein since they are well-known elements. The network apparatus 360 comprises a network interface card 361 (which is new and not a well-known element) being capable of the one-way / two-way network cable transfer mode switch; the network interface card 361 further comprises a transmitting agent 361A and a receiving agent 361B. The network apparatus 370 comprises a network interface card 371 being capable of the one-way / two-way network cable transfer mode switch; the network interface card 371 further comprises a transmitting agent 371A and a receiving agent 371B. The tran...

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Abstract

The present invention provides an asymmetric Ethernet network data transfer system and method. The present invention utilizes a network interface card being capable of an automatic transfer mode switch to form an asymmetric network data transfer system, and through which to modify the symmetry feature of the Ethernet and increase the transfer bandwidth.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention is related to a network data transfer system, and more particularly, to an asymmetric Ethernet network data transfer system.[0003]2. Description of the Prior Art[0004]With the quick improvements in technology, the network has become an indispensable communication medium in modern society. Of all the networks, the local area network is the most popular one due to the well-developed and inexpensive devices of it. The Ethernet is a common local-area-network technique. It consists of an Ethernet card and other network connection devices. The conventional Ethernet has a symmetry feature in data transfer, which means that the bandwidths used in the downloading and uploading data transfer works are equal. However, usually the practical downloading and the practical uploading data transfer rates are different. Thus, the symmetry feature often causes congestion problems to data transfer in the transfer dire...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): H04L12/28H04L12/56
CPCH04L12/2801
Inventor HUANG, SCOTT
Owner VIA TECH INC
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